Detection of products
Bolt, six hexagon head bolts, screws, flange, screw, nut, countersunk head tapping screws, pins, Woodruff keys, plug, connector, hoop, clip, mesh, spring washers, spring washers, lock washer, nut, pin etc.
Test items
The chemical composition, mechanical properties, anti loose locking performance, performance, hardness, effective moment, microstructure, tensile strength, yield strength, friction coefficient, torque and other projects
Bolt, six hexagon head bolts, screws, flange, screw, nut, countersunk head tapping screws, pins, Woodruff keys, plug, connector, hoop, clip, mesh, spring washers, spring washers, lock washer, nut, pin etc.
Test items
The chemical composition, mechanical properties, anti loose locking performance, performance, hardness, effective moment, microstructure, tensile strength, yield strength, friction coefficient, torque and other projects